I went and checked on an overhauled IO-360-C2C up in St. Augustine (that model doesn't exist in the Lycoming database). I decided to go with AeroSport Power up in Kamloops, Canada. Decided on the IO-375-M1S (similar to an M1B) and put down a deposit. If the furor about Covid dies down, Kelly and I will go up there and do the build class.